| Recipient | Post | Date |
| EgmatQuantExpert | How many 4-letter words can be formed using the alphabets of the word | 23-Dec-2018 |
| naeln | What is (x^2 - 6x + 9)^(1/2)/(x - 3) + (-x)^(1/2) if each term in this | 14-Dec-2018 |
| YTT | If n is a positive integer and r is the remainder when n^2 - 1 is divi | 26-Oct-2015 |
| Marco83 | If x, y, and z are positive integers, and (x!+x)/z=y, then | 26-Oct-2015 |
| sudai | If a, b and c are integers, is (a b) a multiple of 18? | 26-Oct-2015 |
| Bunuel | If p, x, and y are positive integers, y is odd, and p = x^2 | 26-Oct-2015 |
| gluon | Re: Elk now live almost solely in the Rocky Mountains, which would make it | 20-Jul-2015 |